    /**
     * 执行更新操作（INSERT/UPDATE/DELETE）
     */
    public static int executeUpdate(Connection conn, String sql, Object... params) {
        try {
            // 打印SQL语句和参数，便于调试
            System.out.println("Executing SQL: " + sql);
            System.out.println("Parameters: " + Arrays.toString(params));
            return queryRunner.update(conn, sql, params);
        } catch (SQLException e) {
            throw new RuntimeException("Update failed", e);
        } finally {
            JdbcUtilsV1.close();
        }
    }